X-Git-Url: http://git.marmaro.de/?a=blobdiff_plain;f=sbr%2Faddrsbr.c;h=79d7afe4c467dd1e075934d4c1a256f70e31a5a6;hb=e87123959d15f3b190494dffdd8bce335c137874;hp=fa45e31a51812d16679b511a575b1bcd4a62d9bc;hpb=d2f12554a254e814dcdafb3828fc0d9936154eef;p=mmh

diff --git a/sbr/addrsbr.c b/sbr/addrsbr.c
index fa45e31..79d7afe 100644
--- a/sbr/addrsbr.c
+++ b/sbr/addrsbr.c
@@ -2,8 +2,6 @@
 /*
  * addrsbr.c -- parse addresses 822-style
  *
- * $Id$
- *
  * This code is Copyright (c) 2002, by the authors of nmh.  See the
  * COPYRIGHT file in the root directory of the nmh distribution for
  * complete copyright information.
@@ -119,7 +117,7 @@ getm (char *str, char *dfhost, int dftype, int wanthost, char *eresult)
     char *dp;
 #endif /* not DUMB */
 
-    if (err && err[0]) {
+    if (err[0]) {
 	if (eresult)
 	    strcpy (eresult, err);
 	else
@@ -528,3 +526,51 @@ local_test: ;
 
     return 0;
 }
+
+
+/*
+ * Moved from hosts.c -- find out the official name of a host
+ */
+
+/*
+ * In the SendMail world, we really don't know what the valid
+ * hosts are.  We could poke around in the sendmail.cf file, but
+ * that still isn't a guarantee.  As a result, we'll say that
+ * everything is a valid host, and let SendMail worry about it.
+ */
+
+#include <h/mts.h>
+#include <netdb.h>
+
+
+char *
+OfficialName (char *name)
+{
+    unsigned char *p;
+    char *q, site[BUFSIZ];
+    struct addrinfo hints, *res;
+
+    static char buffer[BUFSIZ];
+
+    for (p = name, q = site; *p && (q - site < sizeof(site) - 1); p++, q++)
+	*q = isupper (*p) ? tolower (*p) : *p;
+    *q = '\0';
+    q = site;
+
+    if (!mh_strcasecmp (LocalName(), site))
+	return LocalName();
+
+    memset(&hints, 0, sizeof(hints));
+    hints.ai_flags = AI_CANONNAME;
+    hints.ai_family = PF_UNSPEC;
+
+    if (getaddrinfo(q, NULL, &hints, &res) == 0) {
+	strncpy (buffer, res->ai_canonname, sizeof(buffer));
+	buffer[sizeof(buffer) - 1] = '\0';
+	freeaddrinfo(res);
+	return buffer;
+    }
+
+    strncpy (buffer, site, sizeof(buffer));
+    return buffer;
+}